With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
swFilterDhcpServerIP
sw Filter Dhcp Server IP
This object indicates the DHCP server IP address of this entry.
Back to FILTER-MIB MIB page.
IPHost Network monitor allows you to monitor swFilterDhcpServerIP on D-Link device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring D-Link WiFi routers right now.